//Animated Collapsible DIV- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated Aug 1st, 07'. Fixed bug with "block" parameter not working when persist is enabled
//Updated June 27th, 07'. Added ability for a DIV to be initially expanded.

var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "") //get current page path and name, used to uniquely identify this page for persistence feature

function animatedcollapse(divId, animatetime, persistexpand, initstate){
	this.divId=divId
	this.divObj=document.getElementById(divId)
	this.divObj.style.overflow="hidden"
	this.timelength=animatetime
	this.initstate=(typeof initstate!="undefined" && initstate=="block")? "block" : "contract"
	this.isExpanded=animatedcollapse.getCookie(uniquepageid+"-"+divId) //"yes" or "no", based on cookie value
	this.contentheight=parseInt(this.divObj.style.height)
	var thisobj=this
	if (isNaN(this.contentheight)){ //if no CSS "height" attribute explicitly defined, get DIV's height on window.load
		animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
		if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
			this.divObj.style.visibility="hidden" //hide content (versus collapse) until we can get its height
	}
	else if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		this.divObj.style.height=0 //just collapse content if CSS "height" attribute available
	if (persistexpand)
		animatedcollapse.dotask(window, function(){animatedcollapse.setCookie(uniquepageid+"-"+thisobj.divId, thisobj.isExpanded)}, "unload")
}

animatedcollapse.prototype._getheight=function(persistexpand){
	this.contentheight=this.divObj.offsetHeight
	if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes"){ //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		this.divObj.style.height=0 //collapse content
		this.divObj.style.visibility="visible"
	}
	else //else if persistence is enabled AND this content should be expanded, define its CSS height value so slideup() has something to work with
		this.divObj.style.height=this.contentheight+"px"
}


animatedcollapse.prototype._slideengine=function(direction){
	var elapsed=new Date().getTime()-this.startTime //get time animation has run
	var thisobj=this
	if (elapsed<this.timelength){ //if time run is less than specified length
		var distancepercent=(direction=="down")? animatedcollapse.curveincrement(elapsed/this.timelength) : 1-animatedcollapse.curveincrement(elapsed/this.timelength)
	this.divObj.style.height=distancepercent * this.contentheight +"px"
	this.runtimer=setTimeout(function(){thisobj._slideengine(direction)}, 10)
	}
	else{ //if animation finished
		this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0
		this.isExpanded=(direction=="down")? "yes" : "no" //remember whether content is expanded or not
		this.runtimer=null
	}
}


animatedcollapse.prototype.slidedown=function(){
   if (typeof this.lastcontentheight != "undefined")
   {
	  this.contentheight = this.lastcontentheight;   
   }
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==0){ //if content is collapsed
			this.startTime=new Date().getTime() //Set animation start time
			this._slideengine("down")
		}
	}
}

animatedcollapse.prototype.slideup=function(){
	this.lastcontentheight = this.divObj.offsetHeight;
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==this.contentheight){ //if content is expanded
			this.startTime=new Date().getTime()
			this._slideengine("up")
		}
	    else if (this.divObj.style.height=="auto"){
			this.startTime=new Date().getTime()
			this._slideengine("up")
	    }
		
	}
}

animatedcollapse.prototype.slideit=function(){
	
	if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
		alert("Please wait until document has fully loaded then click again")
	else if (parseInt(this.divObj.style.height)==0)
		this.slidedown()
	else if (parseInt(this.divObj.style.height)==this.contentheight)
		this.slideup()
	else if (this.divObj.style.height=="auto")
		this.slideup()
		
}

// -------------------------------------------------------------------
// A few utility functions below:
// -------------------------------------------------------------------

animatedcollapse.curveincrement=function(percent){
	return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
}


animatedcollapse.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
}

animatedcollapse.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

animatedcollapse.setCookie=function(name, value){
		document.cookie = name+"="+value
}


function SwapOut(id,nstar)
{
  var i;
  for(i=1; i<=nstar; i++)
  {
    document.getElementById("idea"+id+"star"+i).src =  Rollimage[0].src;
  }
  for(i=nstar+1; i<=5; i++)
  {
    document.getElementById("idea"+id+"star"+i).src =  Rollimage[1].src;
  }
  return true;
}

function SwapMessage(id,message)
{
  document.getElementById(id).innerHTML =  message;
  return true;
}

function SwapBack(id,nstar)
{
  for(i=1; i<=nstar; i++)
  { 
    document.getElementById("idea"+id+"star"+i).src = Rollimage[0].src; 
  }
  for(i=nstar+1; i<=5; i++)
  { 
    document.getElementById("idea"+id+"star"+i).src = Rollimage[1].src; 
  }
  return true;
}



function switchNav(navsAvailable, active)
{

  for(var x in navsAvailable)
  {
    if(!document.getElementById(navsAvailable[x]))
    {
      continue;
    }
    if(navsAvailable[x] == active)
    {
      //alert(active);
      //document.getElementById(navsAvailable[x]).className = 'topNav';
      document.getElementById(navsAvailable[x]).style.height = 'auto';
    }
    else
    {
      //alert('Not It: ' + active);
      document.getElementById(navsAvailable[x]).style.height = 0;
    }
  }
}


// Script Source: CodeLifter.com
// Copyright 2003
// Do not remove this notice.

// SETUPS:
// ===============================

// Set the horizontal and vertical position for the popup

PositionX = 100;
PositionY = 100;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 500;
defaultHeight = 500;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;
function popImage(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
writeln('var isNN,isIE;');writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');writeln('if (isIE){');writeln('window.resizeTo(300,300);');
writeln('width=300-(document.body.clientWidth-document.images[0].width);');
writeln('height=300-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');writeln('if (isNN){');       
writeln('window.innerWidth=document.images["George"].width;');writeln('window.innerHeight=document.images["George"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
writeln('<img name="George" src='+imageURL+' style="display:block"></body></html>');
close();		
}}


function scrolldiv(divId, dir, dist)
{
  div = document.getElementById(divId);
  if(dist==null || dist=='')
    dist=45;

  if(div!=null)
  {
    if(dir=='down')
    {
      if(div.scrollTop < div.scrollHeight)
        div.scrollTop = div.scrollTop+dist;
    }
    else if(dir=='up')
    {
      if(div.scrollTop > 0)
        div.scrollTop = div.scrollTop - dist;
    }
    else if(dir=='left')
    {
      if(div.scrollLeft > 0)
        div.scrollLeft = div.scrollLeft-dist;
    }
    else if(dir=='right')
    {
      if(div.scrollLeft < div.scrollWidth)
        div.scrollLeft = div.scrollLeft+dist;
    }

  }
 
 
}





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